in syria, meanwhile, rebels continue to advance on damascus, prompting concern that president assad's regime will respond with chemical weapons. question, should the u.s. intervene in any of these here now is mark ginsburg, former white house middle east advisor. welcome back, mark. here's the thing. we drew a red line, president obama drew a red line over these chemical weapons of mass destruction. at what point do we have to start bombing them to prevent them from moving and utilizes those weapons of mass destruction? when's that happen? >> larry, the fact of the matter is that i already know some of those weapons have been moved and put into the hands of the iranian revolutionary guards operating in syria and also i believe some of it has been sold to hezbollah. so as far as i'm concerned, there's some of that red line that's been crossed. but to answer your question, the fact remains is that if the intelligence report says, as the president and the press reports are leading us to believe, that precursors have been loaded into those shells, somehow or another we're going to have to